and it's the source of fascinating articles like one this month by researcher michael streck and nathan wasserman who recently translated a 3500 area old kuhn i form tablet from babylon to discover it contained a series of jokes. yes, jokes. these tablets contain such ancient sumerian side splitters as he gouged out the eye it is not the fate of a dead man. he cut the throat. a dead man, who is it? its punch line a governor. (laughter) a governor, who can sentence people to death. it's funny, because it pleases the river god. these tablets provide a unique insight into life in the fertile crescent, the fertile crescent, by the way, the most common punch line in ancient babylonian. but since the tablet was severely damaged, not all the jokes are complete. like one was the only words remaining are of your mother is by the one who has intercourse with her, what for who is it. unfortunately, the punch line has been lost. but researchers declared this was the world's oldest yo mamma joke. which brings us to the latest installment of my award awaiting theoris. >> stephen colbert's mysteries o